<template>
  <div class="login-container">
    <div class="login-box">
      <div class="avatar-box">
        <img src="../assets/logo.png" alt />
      </div>
      <el-form ref="loginFormRef" :model="loginForm" label-width="0px" class="login-form" :rules="loginFormRules">
        <el-form-item prop="username">
          <el-input prefix-icon="iconfont icon-user" v-model="loginForm.username"></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input prefix-icon="iconfont icon-3702mima" v-model="loginForm.password" type="password"></el-input>
        </el-form-item>
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="resetLoginForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>
<script type="text/ecmascript-6">
// import {Button,Form,FormItem,Input} from 'element-ui'

export default {
  name: "Login",
  data() {
    return {
      loginForm: {
        username: "",
        password: ""
      },
      //表单验证规则对象
      loginFormRules: {
        username: [
          { required: true, message: "请输入登录名称", trigger: "blur" },
          { min: 3, max: 5, message: "长度在 3 到 10 个字符", trigger: "blur" }
        ],
        password: [
          { required: true, message: "请输入登录密码", trigger: "blur" },
          { min: 6, max: 15, message: "长度在 6 到 15 个字符", trigger: "blur" }
        ]
      }
    };
  },
  components: {},
  methods: {
    resetLoginForm() {
      this.$refs.loginFormRef.resetFields();
    },
    login() {
      //表单预验证，通过ref拿到当前引用对象
      this.$refs.loginFormRef.validate(async valid => {
        if (valid) {
          // this.$http.post("login",this.loginForm).then(res=>{
          // console.log(res)
          // })
          const { data: res } = await this.$http.post("login", this.loginForm); //解构赋值。将匹配到的对象的名字
          if (res.meta.status != 200) {
            this.$message.error("登录失败");
          } else {
            //localStorage持久化存储机制 sessionStorage会话机制，token应该是打开网站期间生效
            this.$message.success("登录成功");
            window.sessionStorage.setItem("token", res.data.token);
            this.$router.push("/home");
          }
        }
      });
    }
  }
};
</script>
<style lang="scss" scoped>
.login-container {
  background: #2b4b6b;
  height: 100%;
  .login-box {
    width: 450px;
    height: 300px;
    background: #fff;
    border-radius: 5px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    .avatar-box {
      width: 130px;
      height: 130px;
      border: 2px solid #eee;
      border-radius: 50%;
      padding: 10px;
      box-shadow: 0 0 10px #ddd;
      position: absolute;
      left: 50%;
      transform: translate(-50%, -50%);
      background: #fff;
      img {
        width: 100%;
        height: 100%;
        border-radius: 50%;
        background: #eee;
        background-position: center;
      }
    }
    .login-form {
      position: absolute;
      bottom: 0;
      width: 100%;
      padding: 0 20px;
      box-sizing: border-box;
      .btns {
        display: flex;
        justify-content: flex-end;
      }
    }
  }
}
</style>
